Oklahoma
- Boilermakers National Apprenticeship Program (BNAP) South-eastern Area – Boilermakers Field Construction/Repair Apprenticeship
- Independent Electrical Contractors of Oklahoma City, OK (IEC OKC, Inc.) IEC'S ELECTRICAL APPRENTICE PROGRAM
- Iron Workers International Apprenticeship Training (Union.org) Tulsa, Oklahoma
- Iron Workers Union (Texas and the Mid-South) – Apprenticeships
- Metro Technology Centers – Construction
- Metro Technology Centers – Manufacturing Programs
- Metro Technology Centers – Transportation, Distribution & Logistics
- National Sustainable Agriculture Information Service – Internship & Apprenticeship Details
- Oklahoma Technical College (OTC) – Automotive Technology Career Services
- Plumbers & Pipefitters Local 344 Training Center
- Southern States Apprenticeship Labor-Management Council (SSAC)
- Southwestern Line Constructors – Apprentice Lineman Job Description (Electrical Construction)
- United Association Plumbers & Pipefitters Local 344
